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82925845 = 516585169
BaseRepresentation
bin1001111000101…
…01100100010101
312210001001212121
410330111210111
5132212111340
612121215541
72024600212
oct474254425
9183031777
1082925845
114289a462
12239315b1
1314246062
14b028b09
15743094a
hex4f15915

82925845 has 4 divisors (see below), whose sum is σ = 99511020. Its totient is φ = 66340672.

The previous prime is 82925831. The next prime is 82925851. The reversal of 82925845 is 54852928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50367409 + 32558436 = 7097^2 + 5706^2 .

It is a cyclic number.

It is not a de Polignac number, because 82925845 - 29 = 82925333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8292580 + ... + 8292589.

It is an arithmetic number, because the mean of its divisors is an integer number (24877755).

Almost surely, 282925845 is an apocalyptic number.

It is an amenable number.

82925845 is a deficient number, since it is larger than the sum of its proper divisors (16585175).

82925845 is a wasteful number, since it uses less digits than its factorization.

82925845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585174.

The product of its digits is 230400, while the sum is 43.

The square root of 82925845 is about 9106.3628853676. The cubic root of 82925845 is about 436.0771210687.

The spelling of 82925845 in words is "eighty-two million, nine hundred twenty-five thousand, eight hundred forty-five".

Divisors: 1 5 16585169 82925845